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#ifndef RENDERAREA_H
#define RENDERAREA_H

#include <QBrush>
#include <QPen>
#include <QPixmap>
#include <QWidget>
#include <QGLWidget>

#include <vector>
#include <iostream>
#include <fstream>
#include <sstream>


#include "type.h"
#include "gemo.h"


#define dim 2



//! [0]
class RenderArea : public QGLWidget
{
    Q_OBJECT

public:

    enum ViewModel { Wired, Filled, Point};


    ViewModel viewmod;
    Method method;
    double similarity;
    double TimeStep;
    bool isShowPoint;
    bool isShowOriginal;
    bool isShowLabelling;
    std::vector<MPolygon> Polygons;
    std::vector<Segment2d> Segments;
    MPolygon *iniPolygon;


    RenderArea(QWidget *parent = 0);
    ~RenderArea();

    QSize minimumSizeHint() const;
    QSize sizeHint() const;
    bool loadFile(const QString &fileName);
    bool saveFile(const QString &fileName);

    int getPolygonNumber(){if(!Polygons.empty()) return Polygons.size();
                           else return 0;   }

    int getVerticesNumber(){if(!Polygons.empty()){
                              int tot = 0;
                              for(int i = 0; i < Polygons.size(); i++)
                                  tot += Polygons[i].points.size();

                                return tot;}
                             else return 0;   }

//    void setStop(bool is){isStop = is;}
//    void setStart(bool is){isStart = is;}
    bool hasData(){return DataReady;}
    void refine();


//    int MaxIte;

//    int Ite;

public slots:
//    bool evolve(QDialog *diag, int method);
    void forPlotPolygon();
    void rescale();


private slots:
    void mousePressEvent(QMouseEvent *e);
    void mouseMoveEvent(QMouseEvent *e);

private:


    bool PlotMode;
    bool transformed;
    QPixmap pixmap;
    double BoundingBox[2][dim];
    double ratio;
    bool DataReady;
    int lastMouseX, lastMouseY;
    double coorX, coorY;
    double minX, maxX;
    double minY, maxY;

    std::ofstream renderlog;




    void initializeGL();
    void resizeGL(int w, int h);
    void paintGL();
    void draw_polygon(std::vector<MPolygon> &polygons, double * color);
    void draw_segments(std::vector<Segment2d> &Segments, double * color);
    void draw_text();
    void finalizePlot();


};
//! [0]



#endif
